OpenTechnical

OT-2026-000007818

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000007818) never changes.

Identity and time

Publication numberOT-2026-000007818 · never reused
Internal UUID01a0ae6a-908a-7e08-88fd-a4b55cee7b44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007818
StatusPUBLIC

Content hashes

Canonical textfe6c81464091169aaf698bacf4f0bb1f32f8d6ed9f58f28f50e44ad9f45405a1
Markdown077c455aaad3723dc7bfff9fa050b549f1dde280d9e37e8480b46f26e0468833
PDF
Publication page97a08941b84248dd839f4d948dfe1255f71292f01aee57851d0ac024d37365f5
Manifest93c59946c1ec34a591b02ed2c7c249231cf8eba257b4c8d639ff93848e4e96fc

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature+5H3HQRAkRuCvZEoavwPcuZYlQBhw1+q86VkwmEjNddKSnLJQ2HYXS6xv+ZEXCZzClOwQWERyZxV8fjo5DcNAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:15.841048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007818
observed 97a08941b84248dd839f4d948dfe1255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:15.772741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007818/manifest.json
observed 93c59946c1ec34a591b02ed2c7c24923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:15.754327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007818/publication.md
observed 077c455aaad3723dc7bfff9fa050b549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:15.670147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007818/publication.txt
observed fe6c81464091169aaf698bacf4f0bb1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:48.747098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007818
observed 97a08941b84248dd839f4d948dfe1255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:48.729792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007818/manifest.json
observed 93c59946c1ec34a591b02ed2c7c24923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:48.710986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007818/publication.md
observed 077c455aaad3723dc7bfff9fa050b549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:48.693703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007818/publication.txt
observed fe6c81464091169aaf698bacf4f0bb1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.